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Norovirus infection results in assembly of virus-specific G3BP1 granules and evasion of eIF2 apha signaling

ABSTRACT: Proteomic analysis of murine stress granule and G3BP1 granulome in infected cells. BV2 GFP-G3BP1 cells were either treated with 0.1 mM arsenite for 1h to induce SG assembly or infected with MNV for 9h. G3BP1 granules were enriched by sequential centrifugation and purified by immunoprecipitation using antibodies to GFP (to trap GFP-G3BP1) or IgG (as a control) followed by pull down with Protein A-conjugated epoxy Dynabeads as previously described. To characterize the identity of G3BP1 partners within these, Mass Spectrometric analysis was performed.

INSTRUMENT(S):

ORGANISM(S): Mus Musculus (mouse)

TISSUE(S): Brain, Microglial Cell

SUBMITTER: Valentina Iadevaia